-60=-2(5-7k)+6(1-7k)

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Solution for -60=-2(5-7k)+6(1-7k) equation: 



-60=-2(5-7k)+6(1-7k)

We move all terms to the left:

-60-(-2(5-7k)+6(1-7k))=0

We add all the numbers together, and all the variables

-(-2(-7k+5)+6(-7k+1))-60=0



We calculate terms in parentheses: -(-2(-7k+5)+6(-7k+1)), so:

-2(-7k+5)+6(-7k+1)

We multiply parentheses

14k-42k-10+6

We add all the numbers together, and all the variables

-28k-4

Back to the equation:

-(-28k-4)



We get rid of parentheses

28k+4-60=0

We add all the numbers together, and all the variables

28k-56=0

We move all terms containing k to the left, all other terms to the right

28k=56

k=56/28

k=2

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